Roux-en-Y gastric bypass augments the feeding responses evoked by gastrin-releasing peptides.

Roux-en-Y gastric bypass augments the feeding responses evoked by gastrin-releasing peptides.
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Roux-en-Y 胃绕道术增强了胃泌素释放肽引起的进食反应。

DOI:
10.1016/j.jss.2016.08.057
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发表时间:
2016
期刊:
The Journal of surgical research
影响因子:
--
通讯作者:
Sayegh,AymanI
Sayegh,AymanI
中科院分区:
--
文献类型:
--
作者:
Washington,MarthaC;Mhalhal,ThaerR;Johnson-Rouse,Tanisha;Berger,Jose;Heath,John;Seeley,Randy;Sayegh,AymanI

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背景Roux-en-Y胃旁路术(RYGB)是治疗肥胖症最有效的方法,代谢性疾病RYGB可能通过改变由短期饱腹肽引起的摄食反应来减轻体重。(MS,食物),餐间间隔(IMI)长度和饱腹感比率(SR,IMI/MS;单位时间内消耗的食物)由大鼠中的小和大形式的胃泌素释放肽(GRP),GRP-10和GRP-29腹腔动脉输注(0、0.1、0.5 nmol/kg)(CA,供应胃和十二指肠上部)和肠系膜前动脉结果GRP-10仅在RYGB组中减少MS,延长IMI,并增加SR,而GRP-29诱发这些反应,这两种途径,在两个groups.ConclusionsThe RYGB程序增强了由外源性GRP诱发的摄食反应,可能是通过减少总的食物摄入量,增加潜伏期的第一餐,减少餐数或改变的行动调节MS和IMI长度的两个肽的网站。
BackgroundRoux-en-Y gastric bypass (RYGB) is the most effective method for the treatment of obesity, and metabolic disease RYGB may reduce body weight by altering the feeding responses evoked by the short-term satiety peptides.Materials and methodsHere, we measured meal size (MS, chow), intermeal interval (IMI) length, and satiety ratio (SR, IMI/MS; food consumed per a unit of time) by the small and the large forms of gastrin-releasing peptide (GRP) in rats, GRP-10 and GRP-29 (0, 0.1, 0.5 nmol/kg) infused in the celiac artery (CA, supplies stomach and upper duodenum) and the cranial mesenteric artery (CMA, supplies small and large intestine) in an RYGB rat model.ResultsGRP-10 reduced MS, prolonged the IMI, and increased the SR only in the RYGB group, whereas GRP-29 evoked these responses by both routes and in both groups.ConclusionsThe RYGB procedure augments the feeding responses evoked by exogenous GRP, possibly by decreasing total food intake, increasing latency to the first meal, decreasing number of meals or altering the sites of action regulating MS and IMI length by the two peptides.
豚鼠小肠中对胃泌素释放肽和铃蟾肽具有免疫反应性的神经元的分布和投射
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